From: Toni Wilen <twilen@winuae.net>
Date: Mon, 20 Dec 2021 19:08:38 +0000 (+0200)
Subject: Delay warp mode automatic release by few frames
X-Git-Tag: 4910~38
X-Git-Url: https://git.unchartedbackwaters.co.uk/w/?a=commitdiff_plain;h=10b4ac20499c176a61aba543121d96793ac3c964;p=francis%2Fwinuae.git

Delay warp mode automatic release by few frames
---

diff --git a/cia.cpp b/cia.cpp
index b6f72f51..a39f3586 100644
--- a/cia.cpp
+++ b/cia.cpp
@@ -969,6 +969,7 @@ void CIA_vsync_prehandler (void)
 
 	led_vsync ();
 	CIA_handler ();
+	keybuf_vsync();
 	if (kblostsynccnt > 0) {
 		kblostsynccnt -= maxvpos;
 		if (kblostsynccnt <= 0) {
diff --git a/include/keybuf.h b/include/keybuf.h
index 01f629f0..d411ec02 100644
--- a/include/keybuf.h
+++ b/include/keybuf.h
@@ -19,5 +19,6 @@ extern int getcapslockstate (void);
 extern void setcapslockstate (int);
 extern void keybuf_inject(const uae_char*);
 extern void keybuf_ignore_next_release(void);
+extern void keybuf_vsync(void);
 
 #endif /* UAE_KEYBUF_H */
diff --git a/keybuf.cpp b/keybuf.cpp
index 21d0bedc..a9ba38eb 100644
--- a/keybuf.cpp
+++ b/keybuf.cpp
@@ -33,6 +33,9 @@ static uae_u8 keyinject_previous;
 static bool keyinject_state;
 static bool keyinject_do;
 static bool ignore_next_release;
+static int delayed_released_code;
+static int delayed_released_time;
+
 
 struct kbtab
 {
@@ -241,9 +244,11 @@ int get_next_key (void)
 		kpb_last = 0;
 
 	// send release immediately in warp mode if not qualifier key
+	delayed_released_time = 0;
 	if (currprefs.turbo_emulation && !(key & 0x01) && (key >> 1) < 0x60) {
 		if (!keys_available()) {
-			record_key(key | 0x01);
+			delayed_released_code = key | 0x01;
+			delayed_released_time = 5;
 		}
 	}
 
@@ -251,6 +256,16 @@ int get_next_key (void)
 	return key;
 }
 
+void keybuf_vsync(void)
+{
+	if (delayed_released_time > 0) {
+		delayed_released_time--;
+		if (delayed_released_time == 0) {
+			record_key(delayed_released_code);
+		}
+	}
+}
+
 int record_key (int kc)
 {
 	if (pause_emulation)
@@ -288,6 +303,8 @@ void keybuf_init (void)
 	keyinject_offset = 0;
 	xfree(keyinject);
 	keyinject = NULL;
+	delayed_released_code = -1;
+	delayed_released_time = 0;
 	inputdevice_updateconfig (&changed_prefs, &currprefs);
 }